Home / 1,215,036.12-1,822,885.65-531,798.69

Finding the Fourth Proportional to 1,215,036.12, 1,822,885.65 and 531,798.69

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Solution

The fourth proportional to 1,215,036.12, 1,822,885.65 and 531,798.69 is: 797,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,036.12 : 1,822,885.65 = 531,798.69 : x
  2. Step 2: Convert to fraction form
    1,215,036.12/1,822,885.65 = 531,798.69/x
  3. Step 3: Cross multiply
    1,215,036.12x = 1,822,885.65 × 531,798.69
  4. Step 4: Simplify right side
    1,215,036.12x = 969,408,200,689.80
  5. Step 5: Solve for x
    x = 969,408,200,689.80/1,215,036.12
  6. Step 6: Final answer
    x = 797,843.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.